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Groups > linux.kernel > #1695480
| From | Chunfeng Yun <chunfeng.yun@mediatek.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/3] usb: mtu3: fix ip sleep auto-exit issue when enable DRD mode |
| Date | 2017-07-25 10:20 +0200 |
| Message-ID | <u73er-lQ-15@gated-at.bofh.it> (permalink) |
| References | <u73er-lQ-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Ip sleep will auto exit if vbus comparison circuit of u2 phy is disabled when system tries to enter suspend mode, so get vbus-valid status from mac but not from u2 phy when enable DRD mode to fix the issue. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- drivers/usb/mtu3/mtu3_hw_regs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/mtu3/mtu3_hw_regs.h b/drivers/usb/mtu3/mtu3_hw_regs.h index 2123672..06b2966 100644 --- a/drivers/usb/mtu3/mtu3_hw_regs.h +++ b/drivers/usb/mtu3/mtu3_hw_regs.h @@ -462,10 +462,12 @@ #define SSUSB_U3_PORT_DIS BIT(0) /* U3D_SSUSB_U2_CTRL_0P */ +#define SSUSB_U2_PORT_VBUSVALID BIT(9) #define SSUSB_U2_PORT_OTG_SEL BIT(7) -#define SSUSB_U2_PORT_HOST_SEL BIT(2) +#define SSUSB_U2_PORT_HOST BIT(2) #define SSUSB_U2_PORT_PDN BIT(1) #define SSUSB_U2_PORT_DIS BIT(0) +#define SSUSB_U2_PORT_HOST_SEL (SSUSB_U2_PORT_VBUSVALID | SSUSB_U2_PORT_HOST) /* U3D_SSUSB_DEV_RST_CTRL */ #define SSUSB_DEV_SW_RST BIT(0) -- 1.7.9.5
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[PATCH 3/3] usb: mtu3: fix ip sleep auto-exit issue when enable DRD mode Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-07-25 10:20 +0200
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